//
//  ViewController.swift
//  ChapterAll
//
//  Created by Kevin on 2020/4/21.
//  Copyright © 2020 Kevin. All rights reserved.
//

import UIKit

class ViewController: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        let vc = VC12Operation()
        vc.view.backgroundColor = UIColor.white
        navigationController?.pushViewController(vc, animated: true)
    }
}
